Sea Dog Stainless Steel Open Base Boat Cleat Sea Dog 316 Stainless Steel Open Base Cleats provide easy line tie-off and corrosion resistance in a classic style. Four thru-bolts are required for installation not included. Dimensions Part Number A B C D Fastener 041604-1 4 1516 1-34 1 10 FH 041605-1 5 1-18 2-18 1 10 FH 041606-1 6 1-14 2-14 1-18 14 FH 041608-1 8 1-12 2-1316 1-38 14 FH 041610-1 10 1-78 3-58 1-34 516 FH California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Ot